Intel PCI-X, Intel Gigabit Ethernet Controllers manual 266

Register Descriptions

Table 13-34. PHY Status 1 Register Bit Description

Field	Bit(s)		Description	Mode	HW Rst	SW Rst
		1b = PHY currently transmitting a
Transmit Status	13	packet.		RO	0b	0b
		0b = PHY transmitter is IDLE.
		When in loopback, this bit reads as 0b.
		00b	= Reserved.
		01b	= PHY operating in 10BASE-T
Data Rate	15:14	mode.		RO	0b	0b
		10b	= PHY operating in 100BASE-TX
		mode.
		11b = PHY operating in 1000BASE-T
		mode.

13.4.7.1.15PHY Interrupt Enable Register PINTE (18d; R/W)

Table 13-35. PHY Interrupt Enable Bit Description

Field	Bit(s)		Description	Mode	HW Rst	SW Rst
Jabber Interrupt	0	1b	= Interrupt enable.	R/W	0b	Retain
Enable		0b	= Interrupt disable.
Polarity Changed	1	1b	= Interrupt enable.	R/W	0b	Retain
Interrupt Enable		0b	= Interrupt disable.
Reserved	3:2	Always write 00b.		R/W	0b	Retain
Energy Detect	4	1b	= Interrupt enable.	R/W	0b	Retain
		0b	= Interrupt disable.
Downshift Interrupt	5	1b	= Interrupt enable.	R/W	0b	Retain
Enable		0b	= Interrupt disable.
MDI Crossover		1b	= Interrupt enable.
Changed	6			R/W	0b	Retain
		0b	= Interrupt disable.
Interrupt Enable
FIFO Over/Underflow	7	1b	= Interrupt enable.	R/W	0b	Retain
Interrupt Enable		0b	= Interrupt disable.
False Carrier	8	1b	= Interrupt enable.	R/W	0b	Retain
Interrupt Enable		0 b= Interrupt disable.
Symbol Error	9	1b	= Interrupt enable.	R/W	0b	Retain
Interrupt Enable		0b	= Interrupt disable.
Link Status Changed	10	1b	= Interrupt enable.	R/W	0b	Retain
Interrupt Enable		0b	= Interrupt disable.
Auto-Negotiation		1b	= Interrupt enable.
Completed	11			R/W	0b	Retain
		0b	= Interrupt disable.
Interrupt Enable

266 Software Developer’s Manual